Yorkhouse Puzzles and Surprises

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About This Shop

I am a long-time puzzle designer. This shop features puzzles I've designed or discovered over the last 30 years or so with a spotlight on the puzzle pieces of the Spiral Group I discovered in 1978. Mix and match 8 SG pieces at a time to make many cube puzzles.
I will also post several puzzles of as many different kinds as I can figure out. And surprises.